Inchworm

Inchworm Exercise Description

The Inchworm is a bodyweight movement that blends a hip hinge with a controlled hand walkout into a high plank and a walk-back to standing. It primarily challenges the anterior core (rectus abdominis, obliques, transverse abdominis) to resist lumbar extension while the shoulders and scapular stabilizers (deltoids, serratus anterior, rotator cuff) support the plank position. The hinge phase emphasizes posterior chain control, particularly through the hamstrings and calves, while maintaining a neutral spine. Proper execution focuses on ribcage–pelvis alignment, stacked wrists under shoulders in plank, and smooth, deliberate transitions between positions. Range can be scaled by adjusting knee bend or hand-walk distance while keeping spinal neutrality and steady breathing.

Muscle Groups: Abs, Core, Waist
Target Muscles: Rectus Abdominis
Assisting Muscles: External Obliques, Internal Obliques, Transversus Abdominis
Stabilizing Muscles: Deltoid - Anterior, Infraspinatus, Serratus Anterior, Subscapularis, Teres Minor
Body Area: Upper Body
Body Parts: Core, Torso
Body Surface: Front
Body Symmetry: Bilateral
Equipment: Bodyweight
Exercise Patterns: Other
Exercise Type: Strength
Functional Grouping: Trunk Flexors
Joint Involvement: Multi-joint
Muscle Location: Stomach
Movement Direction: Other
Muscle Position: Anterior
Gender: Female

How To Do The Inchworm Exercise

‘- Stand tall with feet hip- to shoulder-width, arms at sides, eyes forward.
– Brace gently; set a neutral spine and level pelvis (ribs down).
– Hinge at the hips, sending hips back; maintain a slight knee bend and long spine.
– Reach hands to the floor in front of your feet without rounding your lower back.
– Walk your hands forward to a high plank with shoulders stacked over wrists.
– In plank: form a straight line from head to heels; press the floor away; spread fingers; keep neck neutral; lightly engage glutes and quads.
– Breathe steadily and maintain core tension; avoid letting hips sag or pike excessively.
– Shift hips slightly up and back, then walk hands toward your feet while keeping the spine neutral.
– Drive through the hips to stand tall, finishing with shoulders down and back.
– If needed, increase knee bend or widen your stance to reach the floor while preserving alignment.

Inchworm Tips

‘- Stand tall with feet hip- to shoulder-width and eyes forward before starting the hinge.
– Gently brace and set a neutral spine with the ribs down and pelvis level.
– Initiate the movement by sending your hips back into a hinge with a slight knee bend and a long spine.
– Reach your hands toward the floor in front of your feet without rounding your lower back.
– Walk your hands forward until your shoulders are stacked directly over your wrists in the high plank.
– In plank, keep a straight line from head to heels and maintain a neutral neck.
– Press the floor away and spread your fingers to support the plank position.
– Lightly engage your glutes and quads while maintaining steady core tension in plank.
– Breathe steadily throughout and avoid letting your hips sag or pike excessively.
– When returning, shift your hips slightly up and back before walking your hands toward your feet.
– Keep your spine neutral as you walk your hands back toward your feet.
– Drive through your hips to stand tall, finishing with your shoulders down and back.
– If needed, increase your knee bend or widen your stance to reach the floor while preserving alignment.
– Adjust how far you walk your hands out to scale the range while keeping spinal neutrality and steady breathing.

Inchworm Beginner Introduction

The Inchworm is a flowing bodyweight exercise that links a hip hinge with a controlled transition into a full plank and back to standing. It combines a stretch-like fold at the hips with a slow hand travel along the floor, creating a smooth, continuous pattern from upright to horizontal and back again. Throughout this pattern, the abs and side abs work hard to prevent the lower back from arching too much, while the shoulders and surrounding support muscles hold the plank position steady.

This movement places special emphasis on the back side of the body during the hinge, especially the hamstrings and calves, while the upper body and core share the load in the plank. Attention to a tall, organized posture, a naturally aligned spine, and wrists positioned beneath the shoulders gives the exercise a strong stability and control focus. Breathing stays steady from start to finish, and the distance of the hand travel or the amount of bend at the knees can change how far the body moves, allowing different ranges while keeping the spine in its natural curve.